40026251525 has 36 divisors (see below), whose sum is σ = 53800803180. Its totient is φ = 29526681600.

The previous prime is 40026251483. The next prime is 40026251549. The reversal of 40026251525 is 52515262004.

It can be written as a sum of positive squares in 18 ways, for example, as 39967606561 + 58644964 = 199919^2 + 7658^2 .

It is a de Polignac number, because none of the positive numbers 2^k-40026251525 is a prime.

It is a super-2 number, since 2×40026251525² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40026251491 and 40026251500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4478261 + ... + 4487189.

It is an arithmetic number, because the mean of its divisors is an integer number (1494466755).

Almost surely, 2^40026251525 is an apocalyptic number.

It is an amenable number.

40026251525 is a deficient number, since it is larger than the sum of its proper divisors (13774551655).

40026251525 is a wasteful number, since it uses less digits than its factorization.

40026251525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10026 (or 10008 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 40026251525 in words is "forty billion, twenty-six million, two hundred fifty-one thousand, five hundred twenty-five".